DS2786G+

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	--
Fault Protection:	--
Interface:	I²C
Operating Temperature:	-20°C ~ 70°C (TA)
Package / Case:	10-WFDFN Exposed Pad
Supplier Device Package:	10-TDFN-EP (3x3)
Base Part Number:	DS2786

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The DS2786G+ device is an ideal solution for low power battery monitoring applications. The device can effectively extend the life of a battery by accurately measuring the remaining charge level and accurately predicting end of life well before the battery is excessively discharged.

The DS2786G+ employs a DataFET technology that eliminates the need for complex cable harnesses, thermistors and the traditional sense resistor circuitry, which allows the device to be mounted directly to the battery and guarantee a superior long-term performance. The DS2786G+ supports alkaline, NiCd and NiMH battery chemistries and monitors each cell individually.

The DS2786G+ is a standalone battery monitor that can be used in both portable and desktop devices. Its fixed-function design makes it an ideal solution for cost-sensitive applications, and its high level of integration removes the need for manual system configuration. The device includes a temperature-compensated voltage-controlled oscillator (VCO), an 8-bit analog-to-digital converter (ADC) and a microcontroller with an internal temperature sensor. The device supports both analog and digital temperature compensation.

The device also includes several safety features such as over-charge protection and over-discharge protection to protect against any battery damage. Additionally, the device supports adjustable timer and over-temperature protection. The device also has an external watchdog timer, which allows the device to re-start if it ever experiences a software failure.

The device is designed to minimize power consumption and optimize system performance. The device can operate with a wide operating range, from 1.8V up to 5.5V, with a power-saving automatic power down mode. It also includes a low-power mode for battery-backed applications.

The device incorporates an 8-bit 8051-based microcontroller, which can be used to customize the device and facilitate communication. The microcontroller features a set of registers and electrical interface pins, which can be used to connect the device to a variety of external components and systems. The device also features an I2C/SMBus and data driven mode, which allows multiple devices to share the same communication interface.The DS2786G+ includes a battery fuel gauge, which uses the coulomb counting method to monitor the remaining battery charge. This method measures the charge being consumed over time to accurately predict the battery run-time remaining. Additionally, the device can sense gradual voltage changes and current flow as the battery charge is depleted. The DS2786G+ automatically recalibrates itself with use and over time to maintain an up-to-date state-of-charge information. It can also provide other information such as battery temperature, voltage and current. The DS2786G+ is a dedicated battery management system, allowing the device to provide fast response times when monitoring the battery. The device allows the user to precisely control the charging and discharging of the battery for optimal performance and longevity. In summary, the DS2786G+ device is a low- power, high-precision, standalone battery management system applicable for a variety of low-power applications. It is an ideal solution for cost-sensitive applications and supports a wide range of voltage and current measurements. The device is an excellent choice for assuring the safety and reliability of batteries in a wide range of applications.

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